/*
JAVASCRIPT BY CHRIS HUGGINS
WRAP <span id="update_copyright"> </span> AROUND THE INITIAL YEAR IN THE HTML
LINK TO THIS FILE IN THE HEAD EG <script src="../scripts/copyright.js" type="text/javascript"></script>
*/

function update_copy() {
	
var span_tag = document.getElementById('update_copyright');
var initial_year = span_tag.innerHTML;

var mydate = new Date();
var current_year = mydate.getYear();
  if (current_year < 1000)
  current_year+=1900;


  if (initial_year < current_year) {

    span_tag.innerHTML = initial_year + "-" + current_year;
  }
}

addEvent(window, 'load', update_copy, false);

function addEvent(elm, evType, fn, useCapture){
   if (elm.addEventListener) {
      elm.addEventListener(evType, fn, useCapture);
      return true;
   } else if (elm.attachEvent) {
      var r = elm.attachEvent('on' + evType, fn);
      return r;
   } else {
      elm['on' + evType] = fn;
   }
}